It has long been thought that one of the reason Homo sapiens eventually dominated the hominid line, colonizing Africa and Europe beginning at around 40,000 years ago and eradicating or out-competing the Neanderthals, was that they were technologically advantaged. The idea was that because H. sapiens had better stone tool technologies, they had the edge, so to speak, on their Neanderthal cousins who already occupied the lands H. sapiens were migrating into.
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